Raydar
Software Engineer (SWE)
$260K–$690K
San Francisco, California · Full-time · Posted Oct 28, 2026
- Experience
- Two to five years as a full-stack engineer.
- Education
- Degree from a top-30 school in the US, Canada, or Europe.
- Visa sponsorship
- Visa transfers are considered.
About the job
Build and scale systems for AI evaluation and data creation, including reinforcement learning environments, APIs, human-in-the-loop platforms, and analytics tools.
What you'll do
- Design and build scalable AI evaluation and data systems.
- Collaborate with research, product, and design to ship features and work directly with AI lab researchers.
- Improve core infrastructure reliability and scalability; contribute to documentation, code reviews, and design discussions.
What they ask for
- Full-stack engineering experience with Next.js and React, Node.js or Python, and Kubernetes.
- Experience building a product or system end to end, with ownership.
- Experience at a high-growth, top-tier venture-backed startup, a reputable trading firm, or as a founding engineer.
- Degree from a top-30 school in the US, Canada, or Europe; comfortable working client-facing with AI lab researchers.
Nice to have
- Kafka, Redis, and Elasticsearch.
- Experience at a human data or data labeling AI company.
Pay
$260,000-$290,000 USD base salary; $460,000-$690,000 USD target total cash compensation
Tools
Next.js, React, Node.js, Python, Kubernetes, Kafka, Redis, Elasticsearch
AI focus
Build infrastructure and systems for frontier AI evaluation and data creation, including reinforcement learning environments and human-in-the-loop platforms.
Model-written summary · the original posting is authoritative